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What is the amplitude of the function (4\sin 2x)?

Answer and explanation

Correct answer: 4

For a sine function of the form \(a\sin bx\), the amplitude is \(|a|\). Here, \(a=4\), so the amplitude is \(|4|=4\). The factor \(2\) affects the period of the function, not its amplitude. Exam tip: To find amplitude, take the absolute value of the coefficient outside \(\sin\) or \(\cos\).

Related tags

Trigonometric FunctionsAmplitudeSine FunctionGraph TransformationsClass 11 MathematicsTrigonometric Functions And Their PropertiesMathematicsClass 12 Mcq

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